Homework Help is Here – Start Your Trial Now!
Science
Physics
1. The speed of the rocket ship at which its length to be contracted to 99% of its rest length is: a) 0.141c b) 0.09c c) 0.05c d) 0.23c 2. An astronaut is standing in a spacecraft parallel to its direction of motion. An observer on the earth finds that the spacecraft speed is 0.60c and the astronaut is 1.3m tall. What is the astronaut's height (in m) as measured in the spacecraft? a)125 b)1.625 c)123.4 d) 45.8

1. The speed of the rocket ship at which its length to be contracted to 99% of its rest length is: a) 0.141c b) 0.09c c) 0.05c d) 0.23c 2. An astronaut is standing in a spacecraft parallel to its direction of motion. An observer on the earth finds that the spacecraft speed is 0.60c and the astronaut is 1.3m tall. What is the astronaut's height (in m) as measured in the spacecraft? a)125 b)1.625 c)123.4 d) 45.8

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
See similar textbooks
icon
Related questions
Question

please solve question 1 and 2,  thanks alot sir for your helping 

1. The speed of the rocket ship at which its length to be contracted to 99% of its rest length is: a) 0.141c b) 0.09c c) 0.05c d) 0.23c 2. An astronaut is standing in a spacecraft parallel to its direction of motion. An observer on the earth finds that the spacecraft speed is 0.60c and the astronaut is 1.3m tall. What is the astronaut's height (in m) as measured in the spacecraft? a) 125 b)1.625 c)123.4 d) 45.8 3. What is the velocity of an electron whose kinetic energy is 2MeV? a) 0.98c b) 0.65c c) 0.12c d) 0.49c 4. Calculate the speed of a particle whose kinetic energy is doubled its rest energy: a) 0.852c b) 0.547c c) 0.943c d) 0.158c 5. The frequency of a photon produced when an electron of 20 keV is brought to rest in one collision with a heavy nucleus is (in Hz): a) 3.85×10¹8 b) 5.75×10¹8 c) 9.82×10¹8 d) 4.84x10¹8 6. Potassium is illuminated with UV light of wavelength 2500A.If the work function of potassium is 2.21 eV, the maximum kinetic energy of the emitted electrons is (in eV): a) 5.56 b) 6.23 c) 4.51 d) 2.75 7. If an x-ray of wave length 0.3Aº undergoes a 60° Compton scattering, what is the wavelength of the scattered photon (in Aº): a) 0.312 b) 0.658 c) 0.546 d) 0.872 8. Find the momentum (in MeV/c) of an electron whose speed is 0.600c: a) 0.578 MeV/c b) 0.528 MeV/c c) 0.383 MeV/c d) 0.989 MeV/c 9. Determine the distance of the closest approach (in m) of 7.7 MeV alpha particles incident on gold nucleus? (Atomic number of gold is 79). a) 30.0×10-14 b)3.0x10-14 c) 300×10-14 d) 0.30×10-14 10. Find the de Broglie wave length of a 0.05eV neutron (in Aº): a) 1.28 b) 1.56 c) 2.28 d) 1.96 1. What is the first energy level for an electron in a box of width 6 Aº (in eV)? a) 1.28 b) 1.09 c) 1.04 d) 1.56 12. Determine the speed of electron in the n=2 state (in m/s): a) 1.1x10+6 b) 2.9x10+6 c) 1.8×10+6 d) 2.5×10+6 3. The shortest wavelength of the Lyman series of hydrogen is (in Aº): c) 789 d) 231 a) 564 b) 912
Transcribed Image Text:1. The speed of the rocket ship at which its length to be contracted to 99% of its rest length is: a) 0.141c b) 0.09c c) 0.05c d) 0.23c 2. An astronaut is standing in a spacecraft parallel to its direction of motion. An observer on the earth finds that the spacecraft speed is 0.60c and the astronaut is 1.3m tall. What is the astronaut's height (in m) as measured in the spacecraft? a) 125 b)1.625 c)123.4 d) 45.8 3. What is the velocity of an electron whose kinetic energy is 2MeV? a) 0.98c b) 0.65c c) 0.12c d) 0.49c 4. Calculate the speed of a particle whose kinetic energy is doubled its rest energy: a) 0.852c b) 0.547c c) 0.943c d) 0.158c 5. The frequency of a photon produced when an electron of 20 keV is brought to rest in one collision with a heavy nucleus is (in Hz): a) 3.85×10¹8 b) 5.75×10¹8 c) 9.82×10¹8 d) 4.84x10¹8 6. Potassium is illuminated with UV light of wavelength 2500A.If the work function of potassium is 2.21 eV, the maximum kinetic energy of the emitted electrons is (in eV): a) 5.56 b) 6.23 c) 4.51 d) 2.75 7. If an x-ray of wave length 0.3Aº undergoes a 60° Compton scattering, what is the wavelength of the scattered photon (in Aº): a) 0.312 b) 0.658 c) 0.546 d) 0.872 8. Find the momentum (in MeV/c) of an electron whose speed is 0.600c: a) 0.578 MeV/c b) 0.528 MeV/c c) 0.383 MeV/c d) 0.989 MeV/c 9. Determine the distance of the closest approach (in m) of 7.7 MeV alpha particles incident on gold nucleus? (Atomic number of gold is 79). a) 30.0×10-14 b)3.0x10-14 c) 300×10-14 d) 0.30×10-14 10. Find the de Broglie wave length of a 0.05eV neutron (in Aº): a) 1.28 b) 1.56 c) 2.28 d) 1.96 1. What is the first energy level for an electron in a box of width 6 Aº (in eV)? a) 1.28 b) 1.09 c) 1.04 d) 1.56 12. Determine the speed of electron in the n=2 state (in m/s): a) 1.1x10+6 b) 2.9x10+6 c) 1.8×10+6 d) 2.5×10+6 3. The shortest wavelength of the Lyman series of hydrogen is (in Aº): c) 789 d) 231 a) 564 b) 912
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Relativistic speed and time
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
College Physics
College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
University Physics (14th Edition)
University Physics (14th Edition)
Physics
ISBN:
9780133969290
Author:
Hugh D. Young, Roger A. Freedman
Publisher:
PEARSON
Introduction To Quantum Mechanics
Introduction To Quantum Mechanics
Physics
ISBN:
9781107189638
Author:
Griffiths, David J., Schroeter, Darrell F.
Publisher:
Cambridge University Press
Physics for Scientists and Engineers
Physics for Scientists and Engineers
Physics
ISBN:
9781337553278
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:
9780321820464
Author:
Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:
Addison-Wesley
College Physics: A Strategic Approach (4th Editio…
College Physics: A Strategic Approach (4th Editio…
Physics
ISBN:
9780134609034
Author:
Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:
PEARSON
SEE MORE TEXTBOOKS